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be a dead cert

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be a dead cert

slang To be likely to do a certain thing or to succeed in a particular area. Primarily heard in UK, Australia. Sally is the most qualified candidate by far, so she's a dead cert for the promotion.

See also: dead

be a dead cert

  (British & Australian informal)

to be certain to happen or to be certain to achieve something (often + for ) He's a dead cert for an Oscar nomination.

See also: dead